ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c

   1 //
   2 //  Copyright (c) 2021, NUVIA Inc. All rights reserved.
   3 //  Copyright (c) 2016, Linaro Limited. All rights reserved.
   4 //
   5 //  SPDX-License-Identifier: BSD-2-Clause-Patent
   6 //
   7 //
   8
   9 #include <Base.h>
  10 #include <Library/ArmSmcLib.h>
  11 #include <IndustryStandard/ArmStdSmc.h>
  12
  13 VOID
  14 ArmCallSmc (
  15   IN OUT ARM_SMC_ARGS  *Args
  16   )
  17 {
  18 }
  19
  20 /** Triggers an SMC call with 3 arguments.
  21
  22   @param Function The SMC function.
  23   @param Arg1      Argument/result.
  24   @param Arg2      Argument/result.
  25   @param Arg3      Argument/result.
  26
  27   @return The SMC error code.
  28 **/
  29 UINTN
  30 ArmCallSmc3 (
  31   IN     UINTN  Function,
  32   IN OUT UINTN  *Arg1 OPTIONAL,
  33   IN OUT UINTN  *Arg2 OPTIONAL,
  34   IN OUT UINTN  *Arg3 OPTIONAL
  35   )
  36 {
  37   return SMC_ARCH_CALL_NOT_SUPPORTED;
  38 }
  39
  40 /** Trigger an SMC call with 2 arguments.
  41
  42   @param Function The SMC function.
  43   @param Arg1      Argument/result.
  44   @param Arg2      Argument/result.
  45   @param Arg3      Result.
  46
  47   @return The SMC error code.
  48
  49 **/
  50 UINTN
  51 ArmCallSmc2 (
  52   IN     UINTN  Function,
  53   IN OUT UINTN  *Arg1 OPTIONAL,
  54   IN OUT UINTN  *Arg2 OPTIONAL,
  55   OUT UINTN     *Arg3 OPTIONAL
  56   )
  57 {
  58   return SMC_ARCH_CALL_NOT_SUPPORTED;
  59 }
  60
  61 /** Trigger an SMC call with 1 argument.
  62
  63   @param Function The SMC function.
  64   @param Arg1      Argument/result.
  65   @param Arg2      Result.
  66   @param Arg3      Result.
  67
  68   @return The SMC error code.
  69
  70 **/
  71 UINTN
  72 ArmCallSmc1 (
  73   IN     UINTN  Function,
  74   IN OUT UINTN  *Arg1 OPTIONAL,
  75   OUT UINTN     *Arg2 OPTIONAL,
  76   OUT UINTN     *Arg3 OPTIONAL
  77   )
  78 {
  79   return SMC_ARCH_CALL_NOT_SUPPORTED;
  80 }
  81
  82 /** Trigger an SMC call with 0 arguments.
  83
  84   @param Function The SMC function.
  85   @param Arg1     Result.
  86   @param Arg2     Result.
  87   @param Arg3     Result.
  88
  89   @return The SMC error code.
  90
  91 **/
  92 UINTN
  93 ArmCallSmc0 (
  94   IN  UINTN  Function,
  95   OUT UINTN  *Arg1 OPTIONAL,
  96   OUT UINTN  *Arg2 OPTIONAL,
  97   OUT UINTN  *Arg3 OPTIONAL
  98   )
  99 {
 100   return SMC_ARCH_CALL_NOT_SUPPORTED;
 101 }